dhcpcd-discuss

On 2016-05-25 23:32, Neal P. Murphy wrote:
> I'm playing with getting Smoothwall Express to use IPv6. And not
> getting anywhere very quickly. But that's partly due to my newness to
> IPv6.
>
> Something is weird.
>
> With 6.10.3 and 6.11.0, any of these lines in the .conf:
> ----
> ia_pd 0b:17:f2:7d/::/60 eth0/1 eth2/3
> ia_pd 0b:17:f2:7d/::0/60 eth0/1 eth2/3
> ia_pd 0b:17:f2:7d//60 eth0/1 eth2/3
> ----
>
> causes
> ----
> ...
> DUID 00:01:00:01:1b:ff:1d:50:00:90:0b:17:f2:7d
> eth0: IAID 0b:17:f2:7a
> eth2: IAID 0b:17:f2:7c
> eth3: IAID 0b:17:f2:7d
> eth3: delaying IPv6 router solicitation for 0.8 seconds
> eth3: reading lease `/var/db/dhcpcd-eth3.lease6'
> eth3: soliciting a DHCPv6 lease
> eth3: delaying SOLICIT6 (xid 0x32dd0d), next in 0.9 seconds
> eth3: soliciting an IPv6 router
> *** Error in `dhcpcd': malloc(): memory corruption: 0x09c8fb50 ***
> ----
>
> And dhcpcd must be killed via 'kill -9 PID'.
>
> Since others seem to use the syntax without trouble, is it
> possible--or probable--that I'm building dhcpcd wrong?
>
> As to the coredump I mentioned in the subject, *now* I can't reproduce
> it. I can send the coredump and unstripped binary (for 6.10.3), if
> desired.

Yes please.
The core dump and the binary will tell us where the problem is.

dhcpcd-6.11.0 did fix some potential memory issues you may have found 
with dhcpcd-6.10.x which would explain why you cannot replicate it.

Roy